Fable 5 just set a new AI freelance work performance record - but it can't replace humans yet
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ZD NET — Fable 5 hit an automation rate of 16.1%, a record for the benchmark -- and double Opus 4.8, which scored 8.3%. GPT‑5.5 came in third at 6.3%, but CAIS noted that all three models scored higher than every model it's evaluated thus far.
"For context, the previous published leader sat at 4.17% (Opus 4.6 with the Claude Cowork scaffold), and the field topped out at 2.5% when RLI was released," CAIS said. "The frontier has more than quadrupled in under eight months, a concrete signal of how quickly economically capable AI agents are advancing."
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